Thousands of Dead Pigs Found in Shanghai River

A dead pig floats on the river Monday, March 11, 2013 on the outskirts of Shanghai, China. A recent surge in the dumping of dead pigs upstream from Shanghai - with more than 2,800 carcasses floating into the financial hub through Monday - has followed a police campaign to curb the illicit trade in sick pig parts.

Caution: Some images may be considered very disturbing or graphic to some readers.

In this photo taken Thursday March 7, 2013 and made available Sunday, March 10, 2013, dead pigs are strewn along the riverbanks of Songjiang district in Shanghai, China. Chinese officials say they have fished out 900 dead pigs from a Shanghai river that is a water source for city residents. Officials are investigating where the pigs came from. A statement posted Saturday on the city's Agriculture Committee's website says they haven't found any evidence that the pigs were dumped into the river or of any animal epidemic. (AP Photo) CHINA OUT.

A photo taken through the window on a boat shows dead pigs collected by sanitation workers from Shanghai's main waterway on March 11, 2013. Nearly 3,000 dead pigs have been found floating in Shanghai's main waterway, the Chinese city's government said on March 11 as residents expressed fears over possible contamination of drinking water.

Sanitation workers collect a dead pig from Shanghai's main waterway on March 11, 2013. Nearly 3,000 dead pigs have been found floating in Shanghai's main waterway, the Chinese city's government said on March 11 as residents expressed fears over possible contamination of drinking water.

A dead pig floats among the rubbish on the river Monday, March 11, 2013 on the outskirts of Shanghai, China. A recent surge in the dumping of dead pigs upstream from Shanghai - with more than 2,800 carcasses floating into the financial hub through Monday - has followed a police campaign to curb the illicit trade in sick pig parts.

Dead pigs float in a branch of Huangpu River in Pinghu, Zhejiang province, March 11, 2013. Over 2,200 pigs have been found dead in one of Shanghai's main water sources, official media reported on Monday, triggering a public outcry in China where concerns over food safety and environmental pollution run high. REUTER/Aly Song.

Workers look for dead pigs floating on the river Monday, March 11, 2013 on the outskirts of Shanghai, China. A recent surge in the dumping of dead pigs upstream from Shanghai - with more than 2,800 carcasses floating into the financial hub through Monday - has followed a police campaign to curb the illicit trade in sick pig parts.

Dead pigs float in a branch of Huangpu River in Pinghu, Zhejiang province, March 11, 2013. Over 2,200 pigs have been found dead in one of Shanghai's main water sources, official media reported on Monday, triggering a public outcry in China where concerns over food safety and environmental pollution run high. REUTER/Aly Song.

A sanitation worker collects a dead pig from Shanghai's main waterway on March 11, 2013. Nearly 3,000 dead pigs have been found floating in Shanghai's main waterway, the Chinese city's government said on March 11 as residents expressed fears over possible contamination of drinking water.

A dead pig lies on a street in Pinghu, Zhejiang province, March 11, 2013. Over 2,200 pigs have been found dead in one of Shanghai's main water sources, official media reported on March 11, 2013, triggering a public outcry in China where concerns over food safety and environmental pollution run high. REUTER/Aly Song.

A dead pig floats on the river Monday, March 11, 2013 on the outskirts of Shanghai, China. A recent surge in the dumping of dead pigs upstream from Shanghai - with more than 2,800 carcasses floating into the financial hub through Monday - has followed a police campaign to curb the illicit trade in sick pig parts.

Cleaning workers retrieve the carcasses of pigs from a branch of Huangpu River in Shanghai, March 10, 2013. Over 2,200 pigs have been found dead in one of Shanghai's main water sources, official media reported on March 11, 2013, triggering a public outcry in China where concerns over food safety and environmental pollution run high. Picture taken March 10, 2013.

A dead pig floats on the river Monday, March 11, 2013 on the outskirts of Shanghai, China. A recent surge in the dumping of dead pigs upstream from Shanghai - with more than 2,800 carcasses floating into the financial hub through Monday - has followed a police campaign to curb the illicit trade in sick pig parts.

Sanitation workers collect a dead pig from Shanghai's main waterway on March 11, 2013. Nearly 3,000 dead pigs have been found floating in Shanghai's main waterway, the Chinese city's government said on March 11 as residents expressed fears over possible contamination of drinking water.